package com.example.gulimallsearch.service.impl;

import com.alibaba.fastjson.JSON;
import com.example.common.to.es.SkuEsModel;
import com.example.gulimallsearch.config.GulimallESConfig;
import com.example.gulimallsearch.constant.EsConstant;
import com.example.gulimallsearch.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@Service
public class ProductSaveServiceImpl implements ProductSaveService {
    @Autowired
    RestHighLevelClient restHighLevelClient;
    @Override
    public boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {
        //将数据直接保存到ES中
        //1.建立索引,保存数据 (BulkRequest bulkRequest, RequestOptions options)
        if(skuEsModels.size()!=0){
            BulkRequest bulkRequest = new BulkRequest();
            for (SkuEsModel skuEsModel : skuEsModels) {
                IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
                indexRequest.id(skuEsModel.getSkuId().toString());
                String s = JSON.toJSONString(skuEsModel);
                indexRequest.source(s, XContentType.JSON);
                bulkRequest.add(indexRequest);
            }
            BulkResponse bulk = restHighLevelClient.bulk(bulkRequest, GulimallESConfig.COMMON_OPTIONS);
            //TODO 如果批量错误
            boolean b = bulk.hasFailures();
            List<String> esErrorIds = Arrays.stream(bulk.getItems()).map(item -> {
                return item.getId();
            }).collect(Collectors.toList());
            log.info("商品上架错误：{}",esErrorIds);
            return !b;
        }else{
            return true;
        }

    }
}
